A Generic List and Dictionary Debugger Visualizer for VS.NET

using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using System.Windows.Forms;

namespace VisualizerLib
{
    public class DictionaryProcessor
    {
        #region Member variables/Properties

        private IDictionary dict;
        private IList m_keyList;

        public IList KeyList
        {
            get { return m_keyList; }
            set { m_keyList = value; }
        }

        #endregion

        #region Constructor

        public DictionaryProcessor(IDictionary d)
        {
            dict = d;
        }

        #endregion

        #region Methods

        public void CreateKeyList()
        {
            // Generate the key list
            m_keyList = new ArrayList();
            foreach (object key in dict.Keys)
            {
                m_keyList.Add(key);
            }
        }

        public void GetDictionary(bool getKeys, object key, DataGridView grid)
        {
            // Check if it is not empty
            if (dict.Count > 0)
            {
                object singleObj = null;
                IDictionary<string, string> columns = new Dictionary<string, string>();

                if (getKeys)
                {
                    // Retrieve the key structure
                    foreach (object keyItem in dict.Keys)
                    {
                        singleObj = keyItem;
                        break;
                    }
                }
                else
                {
                    // Retrieve the value structure
                    foreach (object valueItem in dict.Values)
                    {
                        singleObj = valueItem;
                        break;
                    }
                }

                Type typeObj = singleObj.GetType();
                if (typeObj.IsPrimitive == false && typeObj.Name != "String")
                {
                    // Retrieve the properties
                    PropertyInfo[] properties = typeObj.GetProperties();
                    foreach (PropertyInfo property in properties)
                    {
                        grid.Columns.Add(property.Name, property.Name);
                        grid.Columns[grid.Columns.Count - 1].SortMode = DataGridViewColumnSortMode.NotSortable;
                        columns.Add(property.Name, "P");
                    }

                    // Retrieve the fields
                    FieldInfo[] fields = typeObj.GetFields();
                    foreach (FieldInfo field in fields)
                    {
                        if (field.Name != "Empty")
                        {
                            grid.Columns.Add(field.Name, field.Name);
                            grid.Columns[grid.Columns.Count - 1].SortMode = DataGridViewColumnSortMode.NotSortable;
                            columns.Add(field.Name, "F");
                        }
                    }
                }

                // Value type
                if (columns.Count == 0)
                {
                    grid.Columns.Add(typeObj.Name, typeObj.Name);
                    grid.Columns[grid.Columns.Count-1].SortMode = DataGridViewColumnSortMode.NotSortable;
                    columns.Add(typeObj.Name, "V");
                }

                // Retrieve the fields and properties values
                foreach (DictionaryEntry dicEntry in dict)
                {
                    object item = null;

                    if (getKeys)
                    {
                        item = dicEntry.Key;
                    }
                    else
                    {
                        item = dict[key];
                    }

                    object[] row = new object[columns.Count];
                    int countRow = 0;
                    foreach (KeyValuePair<string, string> column in columns)
                    {
                        string name = column.Key;
                        string type = column.Value;

                        if (type == "P")
                        {
                            // Retrieve property value
                            row[countRow] = item.GetType().GetProperty(name).GetValue(item, null);
                        }
                        if (type == "F")
                        {
                            // Retrieve field value
                            row[countRow] = item.GetType().GetField(name).GetValue(item);
                        }
                        if (type == "V")
                        {
                            // Retrieve value type
                            row[countRow] = item.ToString();
                        }

                        countRow++;
                    }

                    grid.Rows.Add(row);

                    if (getKeys == false)
                    {
                        break;
                    }
                }
            }
        }

        #endregion
    }
}